@percent100: 100%;
.bg-fluid {
  background: no-repeat center center;
  background-size: cover;
}

.side-nav {
  position: fixed;
  top: 45%;
  right: 20px;
  z-index: 1;

  ul.nav-side-nav {
    text-align: center;
    list-style: none;
    margin: 0;
    padding-left: 0;

    > li {
      display: block;
      line-height: 1.45em;
      margin: 0;
      padding: 8px 0;

      > a {
        display: block;
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background-color: white;
      }
    }
  }
}

/* ====================================================================
    第一屏样式代码
=======================================================================*/

/* 子组件快
=======================================================================*/

.one-page {
  height: 750px;

  /* 第一屏背景
  ================================================================== */
  .one-page-bg {
    height: 800px;
    width: @percent100; /* 使用通用变量 */
    position: absolute;
    .bg-fluid;
  }


  /* 第一屏背景图片
  ================================================================== */
  #onePageBg {
    background-image: url("images/6.jpg");
  }
  .title-text {
    margin-left: 50px;

    .head-h1-content {
      margin-top: 150px;
      line-height: 75px;
    }
    .head-font-size h1 {
      font-size: 50pt;
      color: white;
    }
    .head-font-size p {
      color: white;
    }
  }
}

/*第二页*/
.two-page {
  padding: 2px 0 0 2px;
  height: auto;
  position: relative;
}

.two-page-text {
  width: @percent100;
  text-align: center;
}

.two-page-text-h1 {
  margin-left: 120px;
  letter-spacing: 2px;
  margin-top: 80px;
  margin-bottom: 0;
  padding: 20px 0 0 0;
}

.two-page-text-h1 img {
  width: 120px;
  margin-top: -20px;
}

.two-page .row {
  margin-left: 0;
  margin-right: 0;
}

.two-page-courses {
  float: left;
  background: #ffffff;
  padding: 0 2px 2px 0;
  position: relative;
  overflow: hidden;
  margin-top: 20px;
}

.two-page-courses > a {
  width: @percent100;
  height: @percent100;
  float: left;
  text-align: center;
  position: relative;
}

.class-icon h3 {
  margin-top: 120px;
  color: #d1e973;
}

.class-icon {
  width: @percent100;
  height: @percent100;
  position: absolute;
  left: 0;
  top: 0;
  opacity: 0;
  color: #ffffff;

}

.class-icon:hover {
  background-color: #1eb450;
  opacity: 0.9;
  transition: opacity 0.5s;
  -webkit-transition: opacity 0.5s;
}

.two-page-btn {
  width: @percent100;
  margin: 0 auto;
  text-align: center;
}

.two-page-btn .btn-lg {
  font-size: 25px;
}

#twoPageEasy {
  margin: 50px 0 100px 0;
}

/*第三页*/
.three-page {
  position: absolute;
  width: @percent100;
  height: 800px;
  .bg-fluid;

  .three-page-content {
    text-align: center;
    width: @percent100;
    margin: 0 auto;
  }
  .three-page-content-text {
    margin-top: 200px;
    color: #fff;
  }
  .three-page-content-text p {
    color: #ffffff;
    font-size: 20px;
    line-height: 32px;
  }
  .three-page-btn {
    text-align: center;
    margin-top: 240px;
    font-size: 30px;
  }
}

#three-page {
  background-image: url("images/2.jpg");
}

/*第四屏*/
.four-page {
  height: 700px;
  background-color: #c01d27;
  margin-top: 800px;

  .coursexingqing-text {
    color: whitesmoke;
    margin-top: 100px;
    width: 100%;
    text-align: center;

    p {
      margin-top: 25px;
      font-size: 20px;
    }
  }

  #carousel-example-generic {
    width: 708px;
    margin-left: auto;
    margin-right: auto;
    margin-top: 100px;
  }

  .carousel-control.left {
    background-image: -webkit-linear-gradient(left, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0) 100%);
    background-image: linear-gradient(to right, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0) 100%);
    background-repeat: repeat-x;
  }
  .carousel-control.right {
    background-image: -webkit-linear-gradient(left, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0) 100%);
    background-image: linear-gradient(to right, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0) 100%);
    background-repeat: repeat-x;
  }

  .carousel-control .glyphicon-chevron-left, .carousel-control .icon-prev {
    margin-left: -120px;
  }
  .carousel-control .glyphicon-chevron-right, .carousel-control .icon-next {
    margin-right: -120px;
  }
  .carousel-indicators {
    bottom: -60px;
  }
}

.five-page {

  .five-page-bg {
    height: 800px;
    width: 100%;
    position: absolute;
    background-position: center center;
    background-size: cover;

    .footer-text {
      margin-top: 100px;
      color: white;
      text-align: center;
    }

    .footer-btn-center {
      margin-top: 100px;
      text-align: center;
    }

    .que-ye-icon {
      width: 200px;
    }
    .que-ye-icon:hover {
      border: 2px solid #0095ca;
    }
    .footer-text-btn {
      margin-top: 150px;
      width: 100%;
      text-align: center;
    }
    .footer-text-btn-text {
      margin-top: 20px;
      color: #ffffff;
    }
  }

  #fivePage {
    background-image: url('images/4.jpg');
  }

}
